2000
#146,011
National surname rank
Recorded bearers 104
First available Census row
Per 100,000 0.04
Very Rare Last name
Guagliano
An Italian surname with probable origins in the town of Guaglianoña, possibly of toponymic origin.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Guagliano. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Guagliano surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Guagliano in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Guagliano, the largest self-reported group is White at 92.4%. The next largest groups are Hispanic (4.2%) and Black (1.7%).
Origin
Meaning and origin of Guagliano
The surname Guagliano has its origins in Italy, specifically in the southern regions of the country. It is believed to have emerged during the medieval period, around the 11th or 12th century.
The name Guagliano is thought to be derived from the Italian word "guaglione," which means "a strapping young man" or "a sturdy youth." This suggests that the surname may have initially been given as a nickname to someone who was physically strong or robust.
In some historical records and manuscripts from the 13th and 14th centuries, variations of the name Guagliano can be found, such as Guaglioni, Guaglione, and Guagliarello. These variations likely arose due to regional dialects and spelling differences within Italy.
One of the earliest recorded instances of the name Guagliano can be traced back to a document from the city of Naples in 1295, where a certain Gianni Guagliano is mentioned as a landowner. Another notable individual with this surname was Bartolomeo Guagliano, a renowned painter from the 16th century who was born in Messina, Sicily, around 1540.
In the 17th century, a man named Francesco Guagliano (1621-1677) gained recognition as a prominent architect and engineer in Naples. He was involved in the construction of several important buildings and fortifications in the city.
During the 18th century, a family by the name of Guagliano held significant influence in the town of Avellino, located in the Campania region of Italy. One member of this family, Giuseppe Guagliano (1732-1808), served as a magistrate and played a crucial role in local politics.
Another notable figure with this surname was Gaetano Guagliano (1823-1901), who was a celebrated Italian sculptor and painter from Naples. His works were exhibited in various prestigious galleries and museums throughout Italy.
While the surname Guagliano is not among the most common Italian surnames, it has a rich history spanning several centuries and has been associated with individuals from various professions and walks of life, primarily in the southern regions of Italy.
Demographics
Ancestry and ethnicity for Guagliano
Among Census respondents with the surname Guagliano, the largest self-reported group is White at 92.4%. The next largest groups are Hispanic (4.2%) and Black (1.7%).
The bar chart below shows how Guagliano bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Guagliano surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.4% · 109
- Hispanic or Latino4.2% · 5
- Black or African American1.7% · 2
- Asian and Pacific Islander0.8% · 1
- Two or more races0.8% · 1
Timeline
Historical Census data for Guagliano
Guagliano appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#147,253
National surname rank
Recorded bearers 112
+8 bearers (+7.7%)
Per 100,000 0.04
Rank movement Down 1,242 places
2020
#143,511
National surname rank
Recorded bearers 118
+6 bearers (+5.4%)
Per 100,000 0.04
Rank movement Up 3,742 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #146,011 | 104 | 0.04 | First available Census row | First available Census row |
| 2010 | #147,253 | 112 | 0.04 | +8 bearers (+7.7%) | Down 1,242 places |
| 2020 | #143,511 | 118 | 0.04 | +6 bearers (+5.4%) | Up 3,742 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Guagliano surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #147,253 | #143,511 | 2.5% |
| Count | 112 | 118 | 5.4% |
| Per 100K | 0.04 | 0.04 | -1.3% |
Between the 2010 and 2020 Census, the number of Guagliano bearers went from 112 to 118 (+5.4% change). The surname moved up 3,742 positions in the national ranking, going from #147,253 to #143,511.
FAQ
Guagliano surname: questions and answers
How many people in the U.S. have the surname Guagliano?
Name Census estimates that about 135 living Americans carry the surname Guagliano. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Guagliano?
Guagliano ranks #143,511 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 118 people with the surname Guagliano. That is different from the site's living-bearer estimate (135), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Guagliano.
Has Guagliano become more or less common over time?
Between 2010 and 2020, the surname Guagliano went from 112 recorded bearers to 118. That is an increase of 6 (+5.4%). In the national ranking it rose from #147,253 to #143,511.
What does the Census say about the background of Guagliano?
Among Census respondents with the surname Guagliano, the largest self-reported group is White at 92.4%. The next largest groups are Hispanic (4.2%) and Black (1.7%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
White is the largest self-reported group for the surname Guagliano in the 2020 Census, accounting for 92.4% (109 people in the source table).
What is the full ancestry breakdown?
Guagliano appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.4%), Hispanic (4.2%), Black (1.7%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Guagliano (2000, 2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Guagliano mean?
An Italian surname with probable origins in the town of Guaglianoña, possibly of toponymic origin. The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Guagliano (0.04 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many people have the last name Guagliano?
Find out how many people have the surname Guagliano on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.